$OpenBSD: patch-dtime_c,v 1.3 2013/11/29 20:48:35 naddy Exp $
--- dtime.c.orig	Sat Sep 14 07:15:25 1991
+++ dtime.c	Fri Nov 29 21:38:33 2013
@@ -22,17 +22,12 @@ static char rcsid[] =
 #ifdef  SYS5
 extern int daylight;
 extern long timezone;
-#else /*SYS5*/
-#include <sys/timeb.h>
 #endif /*SYS5*/
 
-extern long time();
-struct tm* localtime();
-
 struct tws*
 dtwstime()
     {
-    long clock;
+    time_t clock;
 
     (void) time( &clock );
     return dlocaltime( &clock );
@@ -40,15 +35,12 @@ dtwstime()
 
 struct tws*
 dlocaltime( clock )
-    long* clock;
+    time_t* clock;
     {
     register struct tm* tm;
-#ifndef SYS5
-    struct timeb tb;
-#endif not SYS5
     static struct tws tw;
 
-    if ( clock == (long*) 0 )
+    if ( clock == 0 )
 	return (struct tws*) 0;
     tw.tw_flags = TW_NULL;
 
@@ -64,8 +56,7 @@ dlocaltime( clock )
     if ( tm->tm_isdst )
 	tw.tw_flags |= TW_DST;
 #ifndef  SYS5
-    ftime( &tb );
-    tw.tw_zone = -tb.timezone;
+    tw.tw_zone = (tm->tm_isdst ? (tm->tm_gmtoff - 3600) : tm->tm_gmtoff) / 60;
 #else   SYS5
     tzset();
     tw.tw_zone = -( timezone / 60 );
